/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.ignite.internal.network.serialization.marshal;

import java.util.ArrayList;
import java.util.List;

/**
 * Throwable-related utilities.
 */
class Throwables {
    static List<Throwable> causalChain(Throwable th) {
        List<Throwable> lineage = new ArrayList<>();

        Throwable current = th;
        while (current != null) {
            lineage.add(current);
            current = current.getCause();
        }

        return List.copyOf(lineage);
    }

    static Throwable rootCauseOf(Throwable th) {
        if (th.getCause() == null) {
            return th;
        }

        return rootCauseOf(th.getCause());
    }

    private Throwables() {
    }
}
